Plant Structure
"The universe tends towards maximum disorder" is stated by

None of these
third law of thermodynamics
first law of thermodynamics
second law of thermodynamics

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Plant Structure
Any system that is not at equilibrium

is thermodynamically unstable, although it may be kinetically stable
is kinetically unstable, although it may be thermodynamically stable
requires an enzyme to reach equilibrium
is rushing toward equilibrium at a very rapid rate

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Plant Structure
Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane contains porins
The outer membrane is highly permeable to substances of small molecular weight
The outer membrane is about 50% lipid and 50% protein by weight
The outer membrane is impermeable to hydrogen ions

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Plant Structure
Which of the following experimental results does not support Mitchell's chemiosmosis theory?

Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium
Electron transport in isolated mitochondria was shown to result in acidification of the medium
Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis
An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport

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